21056+1443
- Unique Name: 21056+1443HEI 78AC
- RA: 21 05 35.39
- Dec: +14 42 46.7
- Discoverer: HEI
- Discoverer Number: 78
- Components: AC
- First year: 1979
- Last year: 2001
- Observations: 4
- First position angle: 170
- Last position angle: 170
- First separation: 49.5
- Last separation: 49.9
- Mag first component: 10.21
- Mag second component: 11.49
- Spectral type:
- Primary proper motion RA: 4
- Primary proper motion DEC: 3
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: